Fix return type for CRYPTO_THREAD_run_once
Fix return type for CRYPTO_THREAD_run_once

return type should be int and not void

Signed-off-by: Rich Salz <c04971a99e5a9ee80eaab4b1deb37e845b0bd697@akamai.com>
Reviewed-by: Richard Levitte <5fb523282dd7956571c80524edc2dccfa0bd8234@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl